Function encode_branch

crates/asm-to-binary/src/assembler/encode.rs:245–279

(
    kind: &BranchKind,
    rs1: u8,
    rs2: u8,
    target: &str,
    current_addr: u64,
    symbols: &super::symbol_table::SymbolTable,
)

                    .entry(current_kind.clone())
                    .or_insert_with(|| SectionData::new(current_kind.clone()));
                sec.push_u32_le(*w);
                current_addr += 4;
            }
            AsmToken::DataU64(d) => {
                let sec = sections
                    .entry(current_kind.clone())
                    .or_insert_with(|| SectionData::new(current_kind.clone()));
                sec.push_u64_le(*d);
                current_addr += 8;
            }
            AsmToken::DataAsciz(s) => {
                let sec = sections
                    .entry(current_kind.clone())
                    .or_insert_with(|| SectionData::new(current_kind.clone()));
                sec.bytes.extend_from_slice(s.as_bytes());
                sec.push_u8(0);
                current_addr += s.len() as u64 + 1;
            }
            AsmToken::Comment => {}
        }
    }

    // Flatten sections, assign absolute addresses to symbols.
    for kind in &layout.section_order {
        let base = section_bases.get(kind).copied().unwrap_or(0);
        if let Some(sec) = sections.remove(kind) {
            for (name, sec_offset) in &sec.symbols {
                out.symbol_table.insert(name.clone(), base + sec_offset);
            }
            out.sections.push(sec);
        }
    }

    for g in layout.symbols.globals() {
        if !out.global_symbols.contains(g) {
            out.global_symbols.push(g.clone());
        }
    }